diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x12/cpuF12PowerCheck.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x12/cpuF12PowerCheck.c | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x12/cpuF12PowerCheck.c b/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x12/cpuF12PowerCheck.c deleted file mode 100644 index d96f6ecae2..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/CPU/Family/0x12/cpuF12PowerCheck.c +++ /dev/null @@ -1,364 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * AMD Family_12 P-State power check - * - * Performs the "Processor-Systemboard Power Delivery Compatibility Check" as - * described in the BKDG. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: CPU/F12 - * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $ - * - */ -/* - ****************************************************************************** - * - * Copyright (c) 2011, Advanced Micro Devices, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Advanced Micro Devices, Inc. nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ****************************************************************************** - */ - -/*---------------------------------------------------------------------------------------- - * M O D U L E S U S E D - *---------------------------------------------------------------------------------------- - */ -#include "AGESA.h" -#include "amdlib.h" -#include "cpuF12PowerMgmt.h" -#include "cpuRegisters.h" -#include "cpuApicUtilities.h" -#include "cpuServices.h" -#include "GeneralServices.h" -#include "cpuEarlyInit.h" -#include "cpuFamilyTranslation.h" -#include "cpuF12PowerCheck.h" -#include "Filecode.h" -CODE_GROUP (G1_PEICC) -RDATA_GROUP (G1_PEICC) - -#define FILECODE PROC_CPU_FAMILY_0X12_CPUF12POWERCHECK_FILECODE - -/*---------------------------------------------------------------------------------------- - * D E F I N I T I O N S A N D M A C R O S - *---------------------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------------------- - * T Y P E D E F S A N D S T R U C T U R E S - *---------------------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------------------- - * P R O T O T Y P E S O F L O C A L F U N C T I O N S - *---------------------------------------------------------------------------------------- - */ -VOID -STATIC -F12PmPwrCheckCore ( - IN VOID *ErrorData, - IN AMD_CONFIG_PARAMS *StdHeader - ); - -VOID -STATIC -F12PmPwrChkCopyPstate ( - IN UINT8 Dest, - IN UINT8 Src, - IN AMD_CONFIG_PARAMS *StdHeader - ); - -/*---------------------------------------------------------------------------------------- - * E X P O R T E D F U N C T I O N S - *---------------------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------------------*/ -/** - * Family 12h core 0 entry point for performing the family 12h Processor- - * Systemboard Power Delivery Check. - * - * The steps are as follows: - * 1. Starting with P0, loop through all P-states until a passing state is - * found. A passing state is one in which the current required by the - * CPU is less than the maximum amount of current that the system can - * provide to the CPU. If P0 is under the limit, no further action is - * necessary. - * 2. If at least one P-State is under the limit & at least one P-State is - * over the limit, the BIOS must: - * a. Clear both D18F4x15C[BoostSrc] and D18F4x15C[NumBoostStates] to 0. - * b. If the processor's current P-State is disabled by the power check, - * then the BIOS must request a transition to an enabled P-state - * using MSRC001_0062[PstateCmd] and wait for MSRC001_0063[CurPstate] - * to reflect the new value. - * c. Copy the contents of the enabled P-state MSRs to the highest - * performance P-state locations. - * d. Request a P-state transition to the P-state MSR containing the - * COF/VID values currently applied. - * e. Adjust the following P-state parameters affected by the P-state - * MSR copy by subtracting the number of P-states that are disabled - * by the power check. - * 1. D18F3x64[HtcPstateLimit] - * 2. D18F3xDC[PstateMaxVal] - * 3. If all P-States are over the limit, the BIOS must: - * a. Clear both D18F4x15C[BoostSrc] and D18F4x15C[NumBoostStates] to 0. - * b. If the processor's current P-State is != D18F3xDC[PstateMaxVal], then - * write D18F3xDC[PstateMaxVal] to MSRC001_0062[PstateCmd] and wait for - * MSRC001_0063[CurPstate] to reflect the new value. - * c. If D18F3xDC[PstateMaxVal]!= 000b, copy the contents of the P-state - * MSR pointed to by D18F3xDC[PstateMaxVal] to MSRC001_0064 and set - * MSRC001_0064[PstateEn] - * d. Write 000b to MSRC001_0062[PstateCmd] and wait for MSRC001_0063 - * [CurPstate] to reflect the new value. - * e. Adjust the following P-state parameters to zero: - * 1. D18F3x64[HtcPstateLimit] - * 2. D18F3xDC[PstateMaxVal] - * - * @param[in] FamilySpecificServices The current Family Specific Services. - * @param[in] CpuEarlyParams Service parameters. - * @param[in] StdHeader Config handle for library and services. - * - */ -VOID -F12PmPwrCheck ( - IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, - IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 DisPsNum; - UINT8 PsMaxVal; - UINT8 Pstate; - UINT32 ProcIddMax; - UINT32 LocalPciRegister; - UINT32 Socket; - UINT32 Module; - UINT32 Core; - UINT32 PstateLimit; - PCI_ADDR PciAddress; - UINT64 LocalMsrRegister; - AP_TASK TaskPtr; - AGESA_STATUS IgnoredSts; - PWRCHK_ERROR_DATA ErrorData; - - // get the socket number - IdentifyCore (StdHeader, &Socket, &Module, &Core, &IgnoredSts); - ErrorData.SocketNumber = (UINT8) Socket; - - ASSERT (Core == 0); - - // get the Max P-state value - for (PsMaxVal = NM_PS_REG - 1; PsMaxVal != 0; --PsMaxVal) { - LibAmdMsrRead (PS_REG_BASE + PsMaxVal, &LocalMsrRegister, StdHeader); - if (((PSTATE_MSR *) &LocalMsrRegister)->PsEnable == 1) { - break; - } - } - - ErrorData.HwPstateNumber = (UINT8) (PsMaxVal + 1); - - DisPsNum = 0; - for (Pstate = 0; Pstate < ErrorData.HwPstateNumber; Pstate++) { - if (FamilySpecificServices->GetProcIddMax (FamilySpecificServices, Pstate, &ProcIddMax, StdHeader)) { - if (ProcIddMax > CpuEarlyParams->PlatformConfig.VrmProperties[CoreVrm].CurrentLimit) { - // Add to event log the Pstate that exceeded the current limit - PutEventLog (AGESA_WARNING, - CPU_EVENT_PM_PSTATE_OVERCURRENT, - Socket, Pstate, 0, 0, StdHeader); - DisPsNum++; - } else { - break; - } - } - } - - // If all P-state registers are disabled, move P[PsMaxVal] to P0 - // and transition to P0, then wait for CurPstate = 0 - - ErrorData.AllowablePstateNumber = ((PsMaxVal + 1) - DisPsNum); - - // We only need to log this event on the BSC - if (ErrorData.AllowablePstateNumber == 0) { - PutEventLog (AGESA_FATAL, - CPU_EVENT_PM_ALL_PSTATE_OVERCURRENT, - Socket, 0, 0, 0, StdHeader); - } - - if (DisPsNum != 0) { - // Clear both D18F4x15C[BoostSrc] and D18F4x15C[NumBoostStates] to 0 - PciAddress.AddressValue = CPB_CTRL_PCI_ADDR; - LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); - ((CPB_CTRL_REGISTER *) &LocalPciRegister)->BoostSrc = 0; - ((CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates = 0; - LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); - - TaskPtr.FuncAddress.PfApTaskI = F12PmPwrCheckCore; - TaskPtr.DataTransfer.DataSizeInDwords = SIZE_IN_DWORDS (PWRCHK_ERROR_DATA); - TaskPtr.DataTransfer.DataPtr = &ErrorData; - TaskPtr.DataTransfer.DataTransferFlags = 0; - TaskPtr.ExeFlags = WAIT_FOR_CORE; - ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, CpuEarlyParams); - - // Final Step - // D18F3x64[HtPstatelimit] -= disPsNum - // D18F3xDC[PstateMaxVal]-= disPsNum - - PciAddress.AddressValue = HTC_PCI_ADDR; - LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // D18F3x64 - PstateLimit = ((HTC_REGISTER *) &LocalPciRegister)->HtcPstateLimit; - if (PstateLimit > DisPsNum) { - PstateLimit -= DisPsNum; - } else { - PstateLimit = 0; - } - ((HTC_REGISTER *) &LocalPciRegister)->HtcPstateLimit = PstateLimit; - LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // D18F3x64 - - PciAddress.AddressValue = CPTC2_PCI_ADDR; - LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // D18F3xDC - PstateLimit = ((CLK_PWR_TIMING_CTRL2_REGISTER *) &LocalPciRegister)->PstateMaxVal; - if (PstateLimit > DisPsNum) { - PstateLimit -= DisPsNum; - } else { - PstateLimit = 0; - } - ((CLK_PWR_TIMING_CTRL2_REGISTER *) &LocalPciRegister)->PstateMaxVal = PstateLimit; - LibAmdPciWrite (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // D18F3xDC - } -} - - -/*---------------------------------------------------------------------------------------*/ -/** - * Core-level error handler called if any p-states were determined to be out - * of range for the mother board. - * - * This function implements steps 2b-d and 3b-d on each core. - * - * @param[in] ErrorData Details about the error condition. - * @param[in] StdHeader Config handle for library and services. - * - */ -VOID -STATIC -F12PmPwrCheckCore ( - IN VOID *ErrorData, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 i; - UINT8 PsMaxVal; - UINT8 DisPsNum; - UINT8 CurrentPs; - UINT64 LocalMsrRegister; - CPU_SPECIFIC_SERVICES *FamilySpecificServices; - - GetCpuServicesOfCurrentCore ((const CPU_SPECIFIC_SERVICES **) &FamilySpecificServices, StdHeader); - - PsMaxVal = (((PWRCHK_ERROR_DATA *) ErrorData)->HwPstateNumber - 1); - DisPsNum = (((PWRCHK_ERROR_DATA *) ErrorData)->HwPstateNumber - - ((PWRCHK_ERROR_DATA *) ErrorData)->AllowablePstateNumber); - - LibAmdMsrRead (MSR_PSTATE_STS, &LocalMsrRegister, StdHeader); - CurrentPs = (UINT8) (((PSTATE_STS_MSR *) &LocalMsrRegister)->CurPstate); - - if (((PWRCHK_ERROR_DATA *) ErrorData)->AllowablePstateNumber == 0) { - - // Step 1 - // Transition to Pstate Max if not there already - - if (CurrentPs != PsMaxVal) { - FamilySpecificServices->TransitionPstate (FamilySpecificServices, PsMaxVal, (BOOLEAN) TRUE, StdHeader); - } - - - // Step 2 - // If Pstate Max is not P0, copy Pstate max contents to P0 and switch - // to P0. - - if (PsMaxVal != 0) { - F12PmPwrChkCopyPstate (0, PsMaxVal, StdHeader); - FamilySpecificServices->TransitionPstate (FamilySpecificServices, (UINT8) 0, (BOOLEAN) TRUE, StdHeader); - } - } else { - - // move remaining P-state register(s) up - // Step 1 - // Transition to a valid Pstate if current Pstate has been disabled - - if (CurrentPs < DisPsNum) { - FamilySpecificServices->TransitionPstate (FamilySpecificServices, DisPsNum, (BOOLEAN) TRUE, StdHeader); - CurrentPs = DisPsNum; - } - - // Step 2 - // Move enabled Pstates up and disable the remainder - - for (i = 0; (i + DisPsNum) <= PsMaxVal; ++i) { - F12PmPwrChkCopyPstate (i, (i + DisPsNum), StdHeader); - } - - // Step 3 - // Transition to current COF/VID at shifted location - - CurrentPs = (CurrentPs - DisPsNum); - FamilySpecificServices->TransitionPstate (FamilySpecificServices, CurrentPs, (BOOLEAN) TRUE, StdHeader); - } - i = ((PWRCHK_ERROR_DATA *) ErrorData)->AllowablePstateNumber; - if (i == 0) { - i++; - } - while (i <= PsMaxVal) { - FamilySpecificServices->DisablePstate (FamilySpecificServices, i, StdHeader); - i++; - } -} - - -/*---------------------------------------------------------------------------------------*/ -/** - * Copies the contents of one P-State MSR to another. - * - * @param[in] Dest Destination p-state number - * @param[in] Src Source p-state number - * @param[in] StdHeader Config handle for library and services - * - */ -VOID -STATIC -F12PmPwrChkCopyPstate ( - IN UINT8 Dest, - IN UINT8 Src, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT64 LocalMsrRegister; - - LibAmdMsrRead ((UINT32) (PS_REG_BASE + Src), &LocalMsrRegister, StdHeader); - LibAmdMsrWrite ((UINT32) (PS_REG_BASE + Dest), &LocalMsrRegister, StdHeader); -} - |